见, like 到, can be used as a complement of result to express that an action has reached its result. Thus to say "hear" you use the word 听见 (or 听到), "to see" is 看见 (or 看到)
一会儿见!
competition/ to compete
I participated in a swimming competition yesterday.
if you analyse each character singularly you can see that 加 means "to add", while 快 means "speed, fast". Hence, the two words together literally mean "to add speed"